PIC24EP64MC204-I/PT - 70 MIPS 16-bit Motor Control MCU | Microchip
MPN： PIC24EP64MC204-I/PT ✓ 啟用中PIC24EP64MC204-I/PT 概覽
A PIC microcontroller (Microcontroller Unit, MCU) is a single-chip computer that integrates a CPU, memory (Flash for code, SRAM for data) and a rich set of peripherals such as timers, ADCs, communication interfaces, and PWM channels. PIC24E "enhanced" devices extend the classic PIC24 architecture with higher CPU throughput, more DMA channels and additional analog. The PIC24EP sub-family is further tuned for motor control and digital power, where deterministic PWM timing and fast ADC sampling close the current/torque loop on field-oriented control (FOC) algorithms.
Key features of the PIC24EP64MC204-I/PT include up to 70 MIPS operation from a 60 MHz peripheral clock, 64 KB self-write Flash, 8 KB SRAM, 35 I/O pins, an integrated 10/12-bit ADC, three op-amps usable for current sensing, four high-speed comparators with PWM fault inputs, and a 70 MHz PWM module with up to 8 outputs. The device operates from 3.0 V to 3.6 V, supports -40 °C to +85 °C industrial temperature range, and is RoHS compliant.
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) field-oriented control, switched-mode power supplies (SMPS), uninterruptible power supplies (UPS), induction-cooking drivers, and HVAC compressor control. The combination of on-chip analog (op-amps + comparators) and the high-resolution PWM dramatically reduces the BOM for a complete sensorless or sensored FOC drive.
When designing with this device, verify the pinout against the datasheet diagram for your specific package (TQFP-44) and ensure that the keep-out area under the exposed thermal pad (if present) is correctly soldered for thermal performance. The PTG peripheral can offload simple tasks from the CPU and should be considered for deterministic timing in safety-critical loops.
This page synthesizes distributor pricing, drop-in alternatives and practical design notes not found in the manufacturer datasheet alone, giving engineers a single-page decision aid for selecting and sourcing the PIC24EP64MC204-I/PT.
直接替換替代品，適用於 PIC24EP64MC204-I/PT — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC24EP64MC204-I/PT （相同外形與佔位） — 差異在於 Package, Operating Temperature, ADC, Core Architecture, Comparators.
PIC24EP64GP204-I/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC24EP512MC204-I/PT
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
PIC24EP256MC204-I/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EP64MC504-I/PT
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33EP256MC504-I/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC24EP64MC204-I/PT 最大額定值與電氣特性
| Core | PIC24E 16-bit RISC |
| CPU Performance | 70 MIPS |
| Maximum CPU Clock | 60 MHz (peripheral) |
| Program Flash Memory | 64 KB (22K x 24) |
| SRAM | 8 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| I/O Pins | 35 (max) |
| PWM Channels | 8 (MCPWM) up to 70 MHz |
| ADC | 10/12-bit |
| Op-Amps | 3 on-chip |
| Comparators | 4 |
| QEI Module | Yes |
| PTG Module | Yes (Peripheral Trigger Generator) |
| Communication | I2C, SPI, UART, LIN, IrDA |
| 工作溫度 | -40 °C to +85 °C (industrial, "I") |
| 封裝 | 44-pin TQFP (PT), 10x10 mm |
| 安裝類型 | Surface Mount |
| RoHS 狀態 | Compliant |
PIC24EP64MC204-I/PT 腳位配置
| 腳位 1 | RP15/RG15 — Remappable I/O / PWM |
| 腳位 2 | VREF+/AN0/CVD — ADC reference / analog input |
| 腳位 3 | VREF-/AN1 — ADC reference / analog input |
| 腳位 4 | AN2/C1IND/C2IND/C3IND — Analog input / comparator input |
| 腳位 5 | AN3 — Analog input 3 |
| 腳位 6 | AVSS — Analog ground |
| 腳位 7 | AVDD — Analog supply (3.3 V) |
| 腳位 8 | MCLR — Master clear / reset (active low) |
| 腳位 9 | OSC1/CLKI — Crystal oscillator input / external clock |
| 腳位 10 | OSC2/CLKO — Crystal oscillator output |
| 腳位 11 | SOSCI/RPC4 — Secondary oscillator in / I/O |
| 腳位 12 | SOSCO/RPC3 — Secondary oscillator out / I/O |
| 腳位 13 | VCAP — Internal voltage regulator decoupling |
| 腳位 14 | VDD — Digital supply (3.3 V) |
| 腳位 15 | VSS — Digital ground |
| 腳位 16 | PGD1/EMUD1 — ICSP data / debug data |
| 腳位 17 | PGC1/EMUC1 — ICSP clock / debug clock |
| 腳位 18 | PGD2/EMUD2 — Aux ICSP data |
| 腳位 19 | PGC2/EMUC2 — Aux ICSP clock |
| 腳位 20 | RB0/AN8 — I/O port B0 / analog input |
| 腳位 21 | RB1/AN9 — I/O port B1 / analog input |
| 腳位 22 | RB2/AN10/CMP1A — I/O port B2 / analog input / comparator |
| 腳位 23 | RB3/AN11/CMP2A — I/O port B3 / analog input / comparator |
| 腳位 24 | RB4/AN12/CMP3A — I/O port B4 / analog input / comparator |
| 腳位 25 | RB5/AN13 — I/O port B5 / analog input |
| 腳位 26 | RB6/AN14/CMP4A — I/O port B6 / analog input / comparator |
| 腳位 27 | RB7/AN15 — I/O port B7 / analog input |
| 腳位 28 | RB8/AN16 — I/O port B8 / analog input |
| 腳位 29 | RB9/AN17 — I/O port B9 / analog input |
| 腳位 30 | VDD — Digital supply (3.3 V) |
| 腳位 31 | VSS — Digital ground |
| 腳位 32 | RD0/PWM1H — PWM1 high output / I/O |
| 腳位 33 | RD1/PWM1L — PWM1 low output / I/O |
| 腳位 34 | RD2/PWM2H — PWM2 high output / I/O |
| 腳位 35 | RD3/PWM2L — PWM2 low output / I/O |
| 腳位 36 | RD4/PWM3H — PWM3 high output / I/O |
| 腳位 37 | RD5/PWM3L — PWM3 low output / I/O |
| 腳位 38 | RC1/QEI1A — QEI phase A input / I/O |
| 腳位 39 | RC2/QEI1B — QEI phase B input / I/O |
| 腳位 40 | RG15/RP15 — Remappable I/O / indicator |
| 腳位 41 | RF3/INDX — QEI index input / I/O |
| 腳位 42 | RC3/REFCLKO — Reference clock output / I/O |
| 腳位 43 | VDD — Digital supply (3.3 V) |
| 腳位 44 | VSS — Digital ground |
典型應用
PIC24EP64MC204-I/PT 適用於 6 應用s: Brushless DC (BLDC) Motor Drive, PMSM Field-Oriented Control (FOC), Switched-Mode Power Supply (SMPS) / PFC, Industrial Servo / Robotic Drive, Uninterruptible Power Supply (UPS) / Inverter, HVAC Compressor / Induction Heating.
Brushless DC (BLDC) Motor Drive
The PIC24EP64MC204-I/PT is purpose-built for BLDC drives. Its MCPWM module delivers up to 8 complementary PWM channels at 70 MHz, three on-chip op-amps are sized for current sensing on the three phases, and four comparators provide hardware PWM fault inputs that shut the inverter down in microseconds. Combined with the 70 MIPS core, this part runs sensored or sensorless FOC on a single chip. The QEI module decodes quadrature encoder signals for precise rotor position. The 64 KB Flash / 8 KB SRAM pair is ample for typical state-space controllers and torque/speed PI loops, while the 3.0-3.6 V supply simplifies integration with 3.3 V gate drivers.
推薦
PMSM Field-Oriented Control (FOC)
For permanent-magnet synchronous motor (PMSM) drives, the PIC24EP64MC204-I/PT provides the DSP-grade math throughput needed to run Park/Clarke transforms and PI current loops every PWM cycle. The 70 MIPS core pairs with 8 KB of zero-wait-state SRAM to keep loop latency predictable. The integrated QEI reads incremental encoders for rotor position, while MCPWM phase-shift and dead-band controls handle the inverter. Together, these peripherals let a single PIC24EP64MC204-I/PT replace a DSP+FPGA pair on a 1-5 kW PMSM drive, with a part-count and BOM reduction that pays back across small-batch production.
推薦
Switched-Mode Power Supply (SMPS) / PFC
The 70 MIPS PIC24EP64MC204-I/PT plus its high-resolution MCPWM, fast comparators and PTG make it a strong digital controller for totem-pole PFC, LLC and phase-shifted full-bridge SMPS topologies. The PTG offloads fixed-timing tasks from the CPU and lets the firmware focus on the control law. The 12-bit ADC is fast enough for average-current-mode control at 100 kHz switching. Industrial-grade temperature range (-40 °C to +85 °C) plus 3.0-3.6 V supply let the part operate on the housekeeping rail directly. With 64 KB Flash the device fits CCM/DCM PFC, soft-start and brown-out firmware plus a full telemetry stack.
推薦
Industrial Servo / Robotic Drive
The PIC24EP64MC204-I/PT targets industrial servo loops where 70 MIPS, 8 KB SRAM, on-chip op-amps and QEI are mandatory and the design needs to coexist on a 3.3 V supply. Inside the loop the device handles position/speed/PI control with PWM cycle deadlines enforced by hardware comparators for fault response in sub-microsecond time. The 35 I/O pins drive status LEDs, encoders, end-of-travel limits and isolated communications. Industrial -40 °C to +85 °C temperature rating makes it appropriate for factory-floor servo cabinets, and the 64 KB Flash fits a full CANopen or Modbus command set plus the FOC firmware.
推薦
Uninterruptible Power Supply (UPS) / Inverter
For UPS and solar inverter control the PIC24EP64MC204-I/PT supplies the PWM channels for the H-bridge or three-phase inverter, the comparators for grid voltage/frequency monitoring and the ADC for input/output measurement. Its 3.0-3.6 V supply range and 70 MIPS performance to execute sinusoidal PWM, MPPT firmware and grid synchronization in real time. Industrial temperature rating plus robust QEI for rotary UPS and MCPWM for sine-wave synthesis make this part a one-chip controller for low- to mid-power UPS, replacing legacy 16-bit MCU+DSP pairs. 64 KB Flash fits MPPT, telemetry and protection firmware comfortably.
推薦
HVAC Compressor / Induction Heating
For HVAC compressors, induction cooking and induction heating, the PIC24EP64MC204-I/PT provides the high-resolution PWM (up to 70 MHz) and fast comparators required for zero-voltage switching (ZVS) and zero-current switching (ZCS). The integrated PTG offloads deterministic safety timing so the firmware loop stays responsive to load changes. Industrial-grade -40 to +85 °C temperature rating plus a 3.3 V supply make it suitable for compressor inverter boards sitting behind a power module. 64 KB Flash holds compressor profile tables, fault logging and a comms stack (UART/LIN) for appliance networking.
推薦
推薦產品摘要
工程參考資料，適用於 PIC24EP64MC204-I/PT — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | PIC24EP64GP204-I/PT | PIC24EP512MC204-I/PT | PIC24EP256MC204-I/PT | dsPIC33EP64MC504-I/PT | dsPIC33EP256MC504-I/PT |
|---|---|---|---|---|---|---|
| Package | 44-pin TQFP (PT), 10x10 mm | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | PIC24E 16-bit RISC | PIC24E 16-bit RISC | PIC24E 16-bit RISC | PIC24E 16-bit RISC | dsPIC33E 16-bit with DSP engine | dsPIC33E 16-bit with DSP engine |
| CPU Performance | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS + DSP MAC | 70 MIPS + DSP MAC |
| Flash Memory | 64 KB | 64 KB | 512 KB | 256 KB | 64 KB | 256 KB |
| SRAM | 8 KB | 8 KB | 48 KB | 16 KB | 8 KB | 16 KB |
| Motor-Control Peripherals | MCPWM + QEI + 3 op-amps + 4 comparators + PTG | No MCPWM/QEI focus | MCPWM + QEI + 3 op-amps + 4 comparators + PTG | MCPWM + QEI + 3 op-amps + 4 comparators + PTG | Same motor-control peripherals + DSP | Same motor-control peripherals + DSP |
| DSP Engine | No | No | No | No | Yes (40-bit accum + DSP MAC) | Yes (40-bit accum + DSP MAC) |
| Operating Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Temperature Range | -40 °C to +85 °C (I) | -40 °C to +85 °C (I) | -40 °C to +85 °C (I) | -40 °C to +85 °C (I) | -40 °C to +85 °C (I) | -40 °C to +85 °C (I) |
主要差異化特點
- Integrated MCPWM + QEI + 3 op-amps in a single 44-pin TQFP (對比PIC24EP64GP204-I/PT)
- PIC24E core without DSP overhead (對比dsPIC33EP64MC504-I/PT)
- Pin-compatibility across PIC24EP64/256/512 Flash tiers (對比PIC24EP256MC204-I/PT)
- 64 KB Flash vs 32 KB siblings (對比PIC24EP32MC204-I/PT)
設計說明
Power the PIC24EP64MC204-I/PT from a low-noise 3.3 V LDO (e.g., MCP1700). The internal 1.2 V core regulator needs a 1 µF X7R VCAP capacitor on pin 13 (TQFP-44) placed within 1 cm. Avoid sharing the LDO with the inverter power rail — the comparators and op-amps are highly sensitive to VDD noise and will degrade PWM edge timing. Decouple VDD/VSS pairs at 100 nF X7R placed within 4 mm of each pair.
Estimated: at typical motor-control idle currents (CPU active, ADC sampling, MCPWM running), the part dissipates approximately 0.3 W. The 44-pin TQFP (PT) with a 100x100 mm² 2-layer board has θJA around 50 °C/W, yielding a junction-to-ambient temperature rise of ~15 °C at typical use. If the same board also hosts the inverter, locate the MCU away from the power stage and provide thermal vias under any exposed pad.
Keep the analog and digital ground planes separated under the MCU and join them at a single point near the device. This prevents switching noise from the PWM/IO drivers from coupling into the comparator reference and the op-amp inputs. The 100 µF to 4.7 µF bulk capacitor should be placed close to the AVDD/AVSS pair. Keep the crystal traces (OSC1/OSC2) short and surrounded by ground.
Do not skip the MCLR pull-up: the MCLR pin (pin 8) needs a 10 kΩ pull-up to VDD for normal operation, otherwise the MCU stays in reset. The ICSP™/ICD pins (PGD1/PGC1) must remain accessible for in-circuit programming — do not route them through switching devices. The PTG peripheral must be enabled via the CFG bit before use, otherwise the trigger sources are ignored silently.
Estimated: the on-chip op-amps have a unity-gain bandwidth around 10 MHz and are adequate for 100 kHz current sensing, but external fast op-amps (e.g., MCP6L02) may be required for higher switching frequencies. The QEI inputs are 5 V tolerant; route them close to the encoder to keep the trace under 2 m. Use twisted-pair cable to the encoder for noise immunity in industrial environments.
合規資訊
RoHS and lead-free per Microchip product page; not AEC-Q100 qualified - choose an AEC-Q100 dsPIC33E variant for automotive. Halogen-free / conflict-mineral status not explicitly published in the cited sources.